DIN 83408-2 - DRAFT
DIN 83408-2 - DRAFT
Draft Document - Flaps, weathertight - Part 2: Main frame and covers made of steelstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2016